I have an Ariston CLAS HE boiler which is showing err108.

Customer Question

That is an insufficient water code. You need to refill your boiler water system. You will need to follow the directions in your user manual to top off your system. Go to the third item down and you should find your system. The error codes are on page 32. You may want to print this information on your system in order to provide correct maintenance and diagnostics in the future. See page 26 for filling your system. If this has been helpful, please remember to hit ACCEPT, otherwise I do not receive credit. Thank you. http://www.ariston.co.uk/archive-list.php?t=0&id=0000000001&id2=0000000001

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